Differential D13845 Diff 40211 cashtab/src/utils/transactions.js

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cashtab/src/utils/transactions.js

import { currency } from 'components/Common/Ticker';		import { currency } from 'components/Common/Ticker';
import {		import {
fromXecToSatoshis,		fromXecToSatoshis,
isValidStoredWallet,		isValidStoredWallet,
parseXecSendValue,		parseXecSendValue,
generateOpReturnScript,		generateOpReturnScript,
generateTxInput,		generateTxInput,
generateTxOutput,		generateTxOutput,
generateTokenTxInput,		generateTokenTxInput,
generateTokenTxOutput,		generateTokenTxOutput,
signAndBuildTx,		signAndBuildTx,
getChangeAddressFromInputUtxos,		getChangeAddressFromInputUtxos,
toHash160,		toHash160,
getMessageByteSize,		getMessageByteSize,
		generateAliasOpReturnScript,
		fromSatoshisToXec,
} from 'utils/cashMethods';		} from 'utils/cashMethods';
import ecies from 'ecies-lite';		import ecies from 'ecies-lite';
import * as utxolib from '@bitgo/utxo-lib';		import * as utxolib from '@bitgo/utxo-lib';

const SEND_XEC_ERRORS = {		const SEND_XEC_ERRORS = {
INSUFFICIENT_FUNDS: 0,		INSUFFICIENT_FUNDS: 0,
NETWORK_ERROR: 1,		NETWORK_ERROR: 1,
INSUFFICIENT_PRIORITY: 66, // ~insufficient fee		INSUFFICIENT_PRIORITY: 66, // ~insufficient fee
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throw new Error(		throw new Error(
'Cannot send an encrypted message to a wallet with no outgoing transactions in the last 20 txs',		'Cannot send an encrypted message to a wallet with no outgoing transactions in the last 20 txs',
);		);
};		};

export const registerNewAlias = async (		export const registerNewAlias = async (
chronik,		chronik,
wallet,		wallet,
utxos,
feeInSatsPerByte,		feeInSatsPerByte,
aliasName,		aliasName,
registrationFee,		aliasAddress,
		registrationFeeSats,
) => {		) => {
try {		try {
		// Instantiate new txBuilder
let txBuilder = utxolib.bitgo.createTransactionBuilderForNetwork(		let txBuilder = utxolib.bitgo.createTransactionBuilderForNetwork(
utxolib.networks.ecash,		utxolib.networks.ecash,
);		);

const satoshisToSend = fromXecToSatoshis(registrationFee);		// Create this transaction with nonSlpUtxos
		const utxos = wallet.state.nonSlpUtxos;
// Throw validation error if fromXecToSatoshis returns false
if (!satoshisToSend) {
throw new Error(`Invalid alias registration fee`);
}

// Start of building the OP_RETURN output.		// Build opReturnData for alias tx per spec
// only build the OP_RETURN output if the user supplied it		const opReturnData = generateAliasOpReturnScript(
if (
aliasName &&
typeof aliasName !== 'undefined' &&
aliasName.trim() !== ''
) {
const opReturnData = generateOpReturnScript(
aliasName,		aliasName,
false, // encryption use		aliasAddress,
false, // airdrop use
null, // airdrop use
null, // encrypted use
true, // alias registration flag
);		);

		// Add opReturn as output with 0 satoshis of XEC spent
txBuilder.addOutput(opReturnData, 0);		txBuilder.addOutput(opReturnData, 0);
}

// generate the tx inputs and add to txBuilder instance		// generate the tx inputs and add to txBuilder instance
// returns the updated txBuilder, txFee, totalInputUtxoValue and inputUtxos		// returns the updated txBuilder, txFee, totalInputUtxoValue and inputUtxos
		// Note that txBuilder is intentionally modified by this call
let txInputObj = generateTxInput(		let txInputObj = generateTxInput(
false, // not one to many		false, // not a one to many tx
utxos,		utxos,
txBuilder,		txBuilder,
null, // one to many array		null, // no one-to-many array
satoshisToSend,		registrationFeeSats,
feeInSatsPerByte,		feeInSatsPerByte,
);		);

		// Get the change address
const changeAddress = getChangeAddressFromInputUtxos(		const changeAddress = getChangeAddressFromInputUtxos(
txInputObj.inputUtxos,		txInputObj.inputUtxos,
wallet,		wallet,
);		);
txBuilder = txInputObj.txBuilder; // update the local txBuilder with the generated tx inputs

// generate the tx outputs and add to txBuilder instance		// generate the tx outputs and add to txBuilder instance
// returns the updated txBuilder		// returns the updated txBuilder
const txOutputObj = generateTxOutput(		txBuilder = generateTxOutput(
false, // not one to many		false, // not a one-to-many tx
registrationFee,		fromSatoshisToXec(registrationFeeSats), // TODO fix this oversight param req in generateTxOutput
satoshisToSend,		registrationFeeSats,
txInputObj.totalInputUtxoValue,		txInputObj.totalInputUtxoValue,
currency.aliasSettings.aliasPaymentAddress,		currency.aliasSettings.aliasPaymentAddress,
null, // one to many address array		null, // no one-to-many address array
changeAddress,		changeAddress,
txInputObj.txFee,		txInputObj.txFee,
txBuilder,		txBuilder,
);		);
txBuilder = txOutputObj; // update the local txBuilder with the generated tx outputs

// sign the collated inputUtxos and build the raw tx hex		// sign the collated inputUtxos and build the raw tx hex
// returns the raw tx hex string		// returns the raw tx hex string
const rawTxHex = signAndBuildTx(		const rawTxHex = signAndBuildTx(
txInputObj.inputUtxos,		txInputObj.inputUtxos,
txBuilder,		txBuilder,
wallet,		wallet,
);		);

// Broadcast transaction to the network via the chronik client		// Broadcast transaction to the network via the chronik client
// sample chronik.broadcastTx() response:		// sample chronik.broadcastTx() response:
// {"txid":"0075130c9ecb342b5162bb1a8a870e69c935ea0c9b2353a967cda404401acf19"}		// {"txid":"0075130c9ecb342b5162bb1a8a870e69c935ea0c9b2353a967cda404401acf19"}
let broadcastResponse;		let broadcastResponse;
try {		try {
broadcastResponse = await chronik.broadcastTx(rawTxHex);		broadcastResponse = await chronik.broadcastTx(rawTxHex);
if (!broadcastResponse) {		if (!broadcastResponse) {
throw new Error('Empty chronik broadcast response');		throw new Error('Empty chronik broadcast response');
}		}
} catch (err) {		} catch (err) {
console.log('Error broadcasting tx to chronik client');		console.log('Error broadcasting tx to chronik client');
throw err;		throw err;
}		}

		const explorerLink = `${currency.blockExplorerUrl}/tx/${broadcastResponse.txid}`;
// return the explorer link for the broadcasted tx		// return the explorer link for the broadcasted tx
return `${currency.blockExplorerUrl}/tx/${broadcastResponse.txid}`;		return { explorerLink, txid: broadcastResponse.txid, rawTxHex };
} catch (err) {		} catch (err) {
if (err.error === 'insufficient priority (code 66)') {		if (err.error === 'insufficient priority (code 66)') {
err.code = SEND_XEC_ERRORS.INSUFFICIENT_PRIORITY;		err.code = SEND_XEC_ERRORS.INSUFFICIENT_PRIORITY;
} else if (err.error === 'txn-mempool-conflict (code 18)') {		} else if (err.error === 'txn-mempool-conflict (code 18)') {
err.code = SEND_XEC_ERRORS.DOUBLE_SPENDING;		err.code = SEND_XEC_ERRORS.DOUBLE_SPENDING;
} else if (err.error === 'Network Error') {		} else if (err.error === 'Network Error') {
err.code = SEND_XEC_ERRORS.NETWORK_ERROR;		err.code = SEND_XEC_ERRORS.NETWORK_ERROR;
} else if (		} else if (
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